Subtract 3/10 from 70/9
1st number: 7 7/9, 2nd number: 3/10
70/9 - 3/10 is 673/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
70/9 = 70 × 10/9 × 10 = 700/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
3/10 = 3 × 9/10 × 9 = 27/90 - Subtract the two like fractions:
700/90 - 27/90 = 700 - 27/90 = 673/90 - In mixed form: 743/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-6/10 70/18-3/10 70/9-3/20 70/9-9/10 70/27-3/10 70/9-3/30 70/9-15/10 70/45-3/10 70/9-3/50 70/9-21/10 70/63-3/10 70/9-3/70